OpenTechnical

OT-2026-000075878

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000075878) never changes.

Identity and time

Publication numberOT-2026-000075878 · never reused
Internal UUID01a0ae94-29ff-7555-a116-de86a44dbcb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075878
StatusPUBLIC

Content hashes

Canonical text21390268db2a5cc5ef2b4514f2ae43efd8d0af74a52a4bfd588d307079b78c1a
Markdown1365bff7ce9b102b333d8c1045fe54e6a5515c8b1eca418542ef2a5d7419669d
PDF
Publication pageb7210e8a1e1e6489d9e9c5ab40b2e3a81f0937fc1a76776fa8f43e92c368a693
Manifest80d2685dd04741d7b4941b34537fcd75717b031d41eaa1ac2ac1eb6135e6ab10

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7+ApZEhiIIlzSMFtSsyBuesa+211oFLcSis7sGk0f1u0I8738i00hQDCEfeTeSybRZFk0sS5XLz01dUCEaYRCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:14:38.795584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075878
observed b7210e8a1e1e6489d9e9c5ab40b2e3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:38.778339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075878/manifest.json
observed 80d2685dd04741d7b4941b34537fcd75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:38.760825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075878/publication.md
observed 1365bff7ce9b102b333d8c1045fe54e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:38.742685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075878/publication.txt
observed 21390268db2a5cc5ef2b4514f2ae43ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.